the frequent and usually sudden passing from one condition to another <the English language is always in a state of flux>
a flowing or coming in <January typically brings a great flux of returns to department stores>
abnormally frequent intestinal evacuations with more or less fluid stools <Civil War doctors noted frequent cases of flux in the camps>
Seen & Heard
What made you want to look up flux[noun]? Please tell us where you read or heard it (including the quote, if possible).